CN102092725A - Method for producing hydrate crystal silicon sodium titanate from waste strontium-barium glass - Google Patents
Method for producing hydrate crystal silicon sodium titanate from waste strontium-barium glass Download PDFInfo
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- CN102092725A CN102092725A CN2010105665855A CN201010566585A CN102092725A CN 102092725 A CN102092725 A CN 102092725A CN 2010105665855 A CN2010105665855 A CN 2010105665855A CN 201010566585 A CN201010566585 A CN 201010566585A CN 102092725 A CN102092725 A CN 102092725A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a method for producing hydrate crystal silicon sodium titanate from waste strontium-barium glass, comprising the steps of: crushing the waste strontium-barium glass to be with the particle diameters smaller than 2mm, uniformly mixing the crushed waste strontium-barium glass with solid NaOH, adding the mixture into a high-pressure reactor, adding water, extracting silicon and enriching and separating strontium and barium by using a sub/super-critical hydro-thermal method, filtering, and abandoning filter residues to prepare a silicon solution; and slowly dripping the ethanol solution of TiC14 under a stirring condition into the obtained silicon solution to form sol gel, and then, transferring the obtained sol gel into a hydro-thermal reaction kettle or a pressure dissolving shell for hydro-thermal reaction to synthesize the hydrate crystal silicon sodium titanate. By means of the method provided by the invention, the harmless recycling treatment of the waste strontium-barium glass can be realized, and a preparation process is simple.
Description
(1) technical field the present invention relates to a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate.
(2) background technology in recent years, the toxicity of heavy metal more and more is subjected to people's attention.Countries in the world have been formulated the discharging that a series of relevant laws limit heavy metal in succession.Deal with improperly if contain the discarded glass of heavy metals such as strontium barium, may cause soil and water pollution; After animals and plants absorbed, heavy metal built up enrichment with food chain, thereby finally enters human body serious harm human health.China has also issued the emission standard of heavy metal in the trade effluent.Along with the continuous development of technology, this class standard is also more and more stricter.Strontium barium glass (mass percentage content of BaO is generally 8%～15% in the glass, the mass percentage content of SrO is generally 5%～15%) is used in the electronic product more, as cathode-ray tube display header board or the like.At present, China's electronic waste resource utilization is recycled the recycling that mainly concentrates on valuable resources such as precious metal with treatment and disposal, the glass that added value is low then often huddles and leaves about, sheet glass before the depleted cathode tube for example, it is waste and old strontium barium glass, these waste and old strontium barium glasses may directly contact with the water source, and heavy metals such as its contained strontium barium may be with rainwater or water source stripping, contaminated soil and water resources.In recent years, having research that this type of discarded strontium barium glass is mixed with some industrial waste waste residue etc. wears into powder sintering and obtains goods such as glass, pottery, multicellular glass, but this method is just transferred to heavy metals such as strontium barium in the glass the another kind of product innovation from a kind of waste, the harm of heavy metal not only is not resolved, and may worsen in some cases even also.
The ideal of crystalline hydrate silicon sodium titanate (Crystalline sillicotitanate is hereinafter to be referred as CST) consists of Na2Ti2O3SiO42H2O, is mainly used in to contain 137Cs
+/ 90Sr
2+The treatment and disposal of radioactive liquid waste.Ion exchange method is to realize radioactive nuleus waste liquid pre-treatment the best way.Compare with organic ion exchanger, inorganic ion exchanger has good anti-radiation performance, chemical stability and thermostability, is widely used in the processing of radioactive nuleus waste liquid.To 137Cs
+/ 90Sr
2+, inorganic ion exchanger commonly used mainly contain clay, zeolite, ammonium phosphomolybdate (ammonium molybdophosphate, AMP), the iron cobalt potassium cyanide (potassium cobalt hexacyanoferrete, KCoCF) etc.Clay is not high to the selectivity of sodium and potassium, and zeolite easily decomposes under alkaline condition, and the thermopositive reaction of strong row may take place with nitrate ion fewrricyanic acid root, and when pH greater than 12 the time, KCoCF solubilized or decomposition.AMP when pH greater than 6 the time, also easily decompose.And crystalline hydrate silicon sodium titanate is to 137Cs
+/ 90Sr
2+Selectivity far above other inorganic ion exchanger, have good physical chemistry and thermostability, the wide accommodation of pH, load is good, duct radius and 137Cs
+Ionic radius similar, CST and 137Cs
+Ion-exchange be irreversible, therefore, CST contains 137Cs
+/ 90Sr
2+The optimal selection of radioactive wastewater treatment and disposal.
(3) summary of the invention
1, goal of the invention; Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, is raw material with waste and old strontium barium glass, and a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate is provided.Not only can realize the harmless resource utilization processing of this type of discarded glass, can also satisfy pressing for of China's nuclear power developing trend, safeguard national energy and environmental safety.
2, technical scheme: technical scheme of the present invention is: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate in turn includes the following steps:
A, raw material crushing: waste and old strontium barium glass is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, and put into autoclave, add entry, and the Asia/overcritical hydro-thermal method of utilization is carried silicon concentration and separation strontium barium, filters, discards filter residue, makes silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: the ethanolic soln of TiCl4 is under agitation slowly splashed in the gained silicon liquid, form collosol and gel, then the gained collosol and gel is changed in hydrothermal reaction kettle or the Pressure solution bullet, carry out the synthetic hydration silicon metal sodium titanate of hydro-thermal reaction.
In the content of the present invention: the rapid described Asia of b/overcritical hydro-thermal is extracted to handle and replaced with: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 0.2～4 times of waste and old strontium barium glass quality, 20～50 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind reaction 1～10h, filter, discard filter residue, make silicon liquid.
In the content of the present invention: the described collosol and gel-hydro-thermal of step c is synthetic to be replaced with: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1: 1～2: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 2～1: 5, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 5～10 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60～80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
In the content of the present invention: the main ingredient and the mass percent of described waste and old strontium barium glass consists of (in oxide compound): SiO2 50%～70%, SrO 5%～15%, BaO 8%～15%, and surplus is K2O, Na2O, CaO, MgO, Al2O3, Fe2O3 etc.
The main chemical reactions formula that the waste and old strontium barium glass of the present invention is produced crystalline hydrate silicon sodium titanate is:
2TiCl4+Na2SiO3+8NaOH→Na2Ti2O3SiO4·2H2O+8NaCl+2H2O
3, beneficial effect: compared with prior art, the present invention has following characteristics and beneficial effect:
1. the present invention is from the waste and old strontium barium glass of raw material, extract treatment process and collosol and gel-hydro-thermal synthesis procedure through inferior/overcritical hydro-thermal, production obtains crystalline hydrate silicon sodium titanate, strontium barium is enrichment and concentrated the processing in residue, not only can realize the harmless resource utilization processing of this waste and old strontium barium glass, and can satisfy pressing for of China's nuclear power developing trend, safeguard national energy and environmental safety; 2. adopt the present invention, turn waste into wealth, be beneficial to and pollute control, environment protection, be beneficial to the comprehensive utilization of resource, production technique is simple, and is practical.
(4) embodiment
The invention will be further described for embodiment plan given below; but can not be interpreted as it is limiting the scope of the invention; the person skilled in art to some nonessential improvement and adjustment that the present invention makes, still belongs to protection scope of the present invention according to the content of the invention described above.
Embodiment 1:
A kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate mainly is divided into two operations, that is: inferior/overcritical hydro-thermal is extracted treatment process and collosol and gel-hydro-thermal synthesis procedure.In the present embodiment, the strontium barium glass comes from discarded color monitor panel glass, with mechanical crushing method it is crushed to about 1～3cm earlier, further is broken into the glass powder of particle diameter less than 0.5mm with planetary ball mill again.
Inferior/overcritical hydro-thermal is extracted treatment process: get 5g glass powder, add 5g NaOH, put into the autoclave of 200mL, add 120mL water, 350 ℃ keep 3h down.Separate the cooling back, with elements such as silicon, barium, strontium in sample before inductively-coupled plasma spectrometer (OPTIMA 2000) analytical solution and the reaction and the reaction back residue (solid adopts the HNO3/HClO4/HF method to clear up); The result shows that about 80% silicon changes solution over to, and its concentration is 9.65g/L; Detect existence in the solution, the enrichment in residue of strontium barium less than the barium strontium.Filter, discard filter residue, make silicon liquid;
Collosol and gel-hydro-thermal synthesis procedure: get ethanol, splash into TiCl4, making TiCl4 and alcoholic acid volume ratio is 1: 4, stirs while dripping, and obtains the yellow solution of homogeneous transparent; Get this yellow solution of 5mL and under stirring condition, slowly be added drop-wise in 50mL Asia/overcritical hydro-thermal extraction treatment process gained silicon liquid, form collosol and gel.The gained collosol and gel is changed in the pressure appearance bullet that liner is a tetrafluoroethylene (100ml), in 170 ℃ of following one weeks of crystallization.Filter, and, under 60 ℃, dry and obtain white crystal CST with deionized water and ethanol repetitive scrubbing.
Embodiment 2: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material (can come from discarded color monitor panel glass etc., the back together) is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 0.2 times of waste and old strontium barium glass quality, 20 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250 ℃, pressure are under the condition of 12M Pa, behind the reaction 10h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 2, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150 ℃ of following crystallization 5 days, filter, solid matter with deionized water, again with after the washing with alcohol in 60 ℃ of oven dry down, promptly makes the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 3: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 4 times of waste and old strontium barium glass quality, 50 times the water that adds waste and old strontium barium glass quality again, in temperature is that 420 ℃, pressure are under the condition of 40M Pa, behind the reaction 10h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 2: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 5, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 190 ℃ of following crystallization 10 days, filter, solid matter with deionized water, again with after the washing with alcohol in 60 ℃ of oven dry down, promptly makes the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 4: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 2 times of waste and old strontium barium glass quality, 35 times the water that adds waste and old strontium barium glass quality again, in temperature is that 330 ℃, pressure are under the condition of 26M Pa, behind the reaction 5h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.5: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 4, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 170 ℃ of following crystallization 8 days, filter, solid matter with deionized water, again with after the washing with alcohol in 60 ℃ of oven dry down, promptly makes the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 5: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 0.3 times of waste and old strontium barium glass quality, 22 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind the reaction 2h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.1: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 2.5, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 6 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60-80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 6: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 1 times of waste and old strontium barium glass quality, 30 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind the reaction 4h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.3: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 3, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 7 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60-80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 7: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 2.5 times of waste and old strontium barium glass quality, 35 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind the reaction 7h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.7: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 4, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 8 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60-80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 8: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 3 times of waste and old strontium barium glass quality, 40 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind the reaction 8h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.8: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 3.5, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 9 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60-80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
Embodiment 9: a kind of method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate comprises the following steps:
A, fragmentation: the waste and old strontium barium glass of raw material is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 3.5 times of waste and old strontium barium glass quality, 45 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind the reaction 7h, filter, discard filter residue, make silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: under agitation ethanol (used ethanol the is dehydrated alcohol preferably) solution with TiCl4 slowly is added drop-wise in the gained silicon liquid, wherein: titanium is 1.9: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 4.5, obtain collosol and gel; Then collosol and gel is placed encloses container (hydrothermal reaction kettle or Pressure solution bullet) in 150～190 ℃ of following crystallization 7 days, filter, solid matter with deionized water, again with after the washing with alcohol, in 60-80 ℃ of down oven dry, promptly make the crystalline crystalline hydrate silicon sodium titanate that is white in color.
In the foregoing description, the main ingredient and the mass percent of described waste and old strontium barium glass consist of (in oxide compound): SiO
250%～70%, SrO 5%～15%, BaO 8%～15%, surplus is K
2O, Na
2O, CaO, MgO, Al
2O
3, Fe2O3 etc.For example: the main ingredient and the mass percent of waste and old strontium barium glass consist of (in oxide compound): SiO
260%, SrO 11%, BaO 12%, surplus is K
2O, Na
2O, CaO, MgO, Al
2O
3, Fe
2O
3Deng.
The invention is not restricted to the foregoing description, content of the present invention is described all can implement and have described good result.
Claims (3)
1. method of utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate in turn includes the following steps:
A, raw material crushing: waste and old strontium barium glass is crushed to particle diameter less than 2mm;
B, Asia/overcritical hydro-thermal are extracted and handled: waste and old strontium barium glass and solid NaOH after will pulverizing mix, and put into autoclave, add entry, and the Asia/overcritical hydro-thermal method of utilization is carried silicon concentration and separation strontium barium, filters, discards filter residue, makes silicon liquid;
C, collosol and gel-hydro-thermal are synthesized: the ethanolic soln of TiCl4 is under agitation slowly splashed in the gained silicon liquid, form collosol and gel, then the gained collosol and gel is changed in hydrothermal reaction kettle or the Pressure solution bullet, carry out the synthetic hydration silicon metal sodium titanate of hydro-thermal reaction.
2. the method for utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate according to claim 1, it is characterized in that: the described Asia of step b/overcritical hydro-thermal is extracted to handle and replaced with: waste and old strontium barium glass and solid NaOH after will pulverizing mix, the add-on of solid NaOH is 0.2～4 times of waste and old strontium barium glass quality, 20～50 times the water that adds waste and old strontium barium glass quality again, in temperature is that 250～420 ℃, pressure are under the condition of 12～40M Pa, behind reaction 1～10h, filter, discard filter residue, make silicon liquid.
3. the method for utilizing waste and old strontium barium glass to produce crystalline hydrate silicon sodium titanate according to claim 1 and 2, it is characterized in that: the described collosol and gel-hydro-thermal of step c is synthetic to be replaced with: under agitation the ethanolic soln with TiCl4 is added drop-wise in the gained silicon liquid, wherein: titanium is 1: 1～2: 1 with the ratio of the amount of substance of silicon, TiCl4 and alcoholic acid volume ratio are 1: 2～1: 5, obtain collosol and gel; Then collosol and gel is placed encloses container in 150～190 ℃ of following crystallization 5～10 days, filter, solid matter with deionized water, again with after the washing with alcohol in 60～80 ℃ of oven dry down, promptly makes crystalline hydrate silicon sodium titanate.
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| CN2010105665855A CN102092725A (en) | 2010-12-01 | 2010-12-01 | Method for producing hydrate crystal silicon sodium titanate from waste strontium-barium glass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106865554A (en) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | A kind of glass refuse processing method |
| CN106882813A (en) * | 2017-02-17 | 2017-06-23 | 西南科技大学 | A kind of utilization inorganic raw material synthesizes the method for nano hydrated silicon metal sodium titanate |
| CN109142591A (en) * | 2018-11-06 | 2019-01-04 | 国家烟草质量监督检验中心 | The hydro-thermal extracting method and Liquid Chromatography-Tandem Mass Spectrometry measuring method of maleic hydrazide are remained in a kind of tobacco |
| CN109942004A (en) * | 2019-04-10 | 2019-06-28 | 宁波大学 | A kind of strontium silicate magnesium nano material and preparation method thereof and purposes |
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| CN101613802A (en) * | 2009-07-13 | 2009-12-30 | 中国科学院生态环境研究中心 | The technology of reclaiming lead and producing environment-friendly building material by waste flint glass and support equipment |
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| 《Journal of Hazardous Materials》 20100604 Mengjun Chen,et al. Effective utilization of waste cathode ray tube glass-Crystalline silicotitanate synthesis 45-49 1-3 第182卷, * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865554A (en) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | A kind of glass refuse processing method |
| CN106865554B (en) * | 2015-12-12 | 2019-05-28 | 中国科学院大连化学物理研究所 | A kind of glass refuse processing method |
| CN106882813A (en) * | 2017-02-17 | 2017-06-23 | 西南科技大学 | A kind of utilization inorganic raw material synthesizes the method for nano hydrated silicon metal sodium titanate |
| CN109142591A (en) * | 2018-11-06 | 2019-01-04 | 国家烟草质量监督检验中心 | The hydro-thermal extracting method and Liquid Chromatography-Tandem Mass Spectrometry measuring method of maleic hydrazide are remained in a kind of tobacco |
| CN109942004A (en) * | 2019-04-10 | 2019-06-28 | 宁波大学 | A kind of strontium silicate magnesium nano material and preparation method thereof and purposes |
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Application publication date: 20110615 |